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  <section id="set-source-files-properties">
<span id="command:set_source_files_properties"></span><h1>set_source_files_properties<a class="headerlink" href="#set-source-files-properties" title="Permalink to this heading">¶</a></h1>
<p>Source files can have properties that affect how they are built.</p>
<div class="highlight-cmake notranslate"><div class="highlight"><pre><span></span><span class="nf">set_source_files_properties(</span><span class="nv">&lt;files&gt;</span><span class="w"> </span><span class="p">...</span>
<span class="w">                            </span><span class="p">[</span><span class="no">DIRECTORY</span><span class="w"> </span><span class="nv">&lt;dirs&gt;</span><span class="w"> </span><span class="p">...]</span>
<span class="w">                            </span><span class="p">[</span><span class="no">TARGET_DIRECTORY</span><span class="w"> </span><span class="nv">&lt;targets&gt;</span><span class="w"> </span><span class="p">...]</span>
<span class="w">                            </span><span class="no">PROPERTIES</span><span class="w"> </span><span class="nv">&lt;prop1&gt;</span><span class="w"> </span><span class="nv">&lt;value1&gt;</span>
<span class="w">                            </span><span class="p">[</span><span class="nv">&lt;prop2&gt;</span><span class="w"> </span><span class="nv">&lt;value2&gt;</span><span class="p">]</span><span class="w"> </span><span class="p">...</span><span class="nf">)</span>
</pre></div>
</div>
<p>Sets properties associated with source files using a key/value paired
list.</p>
<div class="versionadded">
<p><span class="versionmodified added">New in version 3.18: </span>By default, source file properties are only visible to targets added in the
same directory (<code class="docutils literal notranslate"><span class="pre">CMakeLists.txt</span></code>).  Visibility can be set in other directory
scopes using one or both of the following options:</p>
</div>
<dl class="simple">
<dt><code class="docutils literal notranslate"><span class="pre">DIRECTORY</span> <span class="pre">&lt;dirs&gt;...</span></code></dt><dd><p>The source file properties will be set in each of the <code class="docutils literal notranslate"><span class="pre">&lt;dirs&gt;</span></code>
directories' scopes.  CMake must already know about each of these
source directories, either by having added them through a call to
<span class="target" id="index-0-command:add_subdirectory"></span><a class="reference internal" href="add_subdirectory.html#command:add_subdirectory" title="add_subdirectory"><code class="xref cmake cmake-command docutils literal notranslate"><span class="pre">add_subdirectory()</span></code></a> or it being the top level source directory.
Relative paths are treated as relative to the current source directory.</p>
</dd>
<dt><code class="docutils literal notranslate"><span class="pre">TARGET_DIRECTORY</span> <span class="pre">&lt;targets&gt;...</span></code></dt><dd><p>The source file properties will be set in each of the directory scopes
where any of the specified <code class="docutils literal notranslate"><span class="pre">&lt;targets&gt;</span></code> were created (the <code class="docutils literal notranslate"><span class="pre">&lt;targets&gt;</span></code>
must therefore already exist).</p>
</dd>
</dl>
<p>Use <span class="target" id="index-0-command:get_source_file_property"></span><a class="reference internal" href="get_source_file_property.html#command:get_source_file_property" title="get_source_file_property"><code class="xref cmake cmake-command docutils literal notranslate"><span class="pre">get_source_file_property()</span></code></a> to get property values.
See also the <span class="target" id="index-0-command:set_property"></span><a class="reference internal" href="set_property.html#command:set_property" title="set_property(source)"><code class="xref cmake cmake-command docutils literal notranslate"><span class="pre">set_property(SOURCE)</span></code></a> command.</p>
<div class="admonition note">
<p class="admonition-title">Note</p>
<p>The <span class="target" id="index-0-prop_sf:GENERATED"></span><a class="reference internal" href="../prop_sf/GENERATED.html#prop_sf:GENERATED" title="GENERATED"><code class="xref cmake cmake-prop_sf docutils literal notranslate"><span class="pre">GENERATED</span></code></a> source file property may be globally visible.
See its documentation for details.</p>
</div>
<section id="see-also">
<h2>See Also<a class="headerlink" href="#see-also" title="Permalink to this heading">¶</a></h2>
<ul class="simple">
<li><p><span class="target" id="index-0-command:define_property"></span><a class="reference internal" href="define_property.html#command:define_property" title="define_property"><code class="xref cmake cmake-command docutils literal notranslate"><span class="pre">define_property()</span></code></a></p></li>
<li><p><span class="target" id="index-1-command:get_source_file_property"></span><a class="reference internal" href="get_source_file_property.html#command:get_source_file_property" title="get_source_file_property"><code class="xref cmake cmake-command docutils literal notranslate"><span class="pre">get_source_file_property()</span></code></a></p></li>
<li><p><a class="reference internal" href="../manual/cmake-properties.7.html#source-file-properties"><span class="std std-ref">Properties on Source Files</span></a> for the list of properties known
to CMake</p></li>
</ul>
</section>
</section>


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